If metal is a conductor of electricity and metal attracts lightening, then why are umbrellas made with metal?

3 answer

Belt wheel assembly considerations for pulley

3 answer

How do you measure the output current of the step motor driver

3 answer

Tapered roller bearings 30244, 0 stands for what, what does 2 represent?

3 answer

Why can not centrifuge dry material, filter cloth is also heavy, and when the discharge is still very large moisture

3 answer

I pierced my lip using a safety pin and took it out the same day?

2 answer

Why sliding bearings are divided into bearing housings and bushes, and sometimes on the bearing shell with a layer of bearing liner

3 answer

what is access right?

4 answer

SOLIDWORKS bearings, bearing seat, there is no model library, usually referred to as "204 bearings" refers to what type?.

3 answer

The difference between plateau motor and ordinary motor

4 answer

How does a pump shaft affect the overall performance of a vertical turbine pump?

3 answer

What is the pulse voltage of the step motor driver

3 answer

What are the aspects of the performance of plain bearing materials?

3 answer

What is the main reducer of hypoid gear? What are its characteristics?

3 answer

What skate bearings are better?

2 answer

Strength of bevel gearsA pair of closed straight bevel gears, which need reciprocating operation (i.e., positive and reverse).

4 answer

are baker tweaker bearings any good?

1 answer

What are the signs of a failing pump shaft seal?

3 answer

I have a dc brushless motor with a brushless motor drive motor

3 answer

Bearing is the bearing?

4 answer

There is no shortage. How do you forge 10?

3 answer

What are the risk factors of peeing in someones butt?

2 answer

What are the differences between axial and oblique strikes of hydraulic generators?

3 answer

What are the tapered roller bearings?

3 answer

How is the parallelism of a pump shaft verified?

3 answer

How to judge the replacement time of slewing bearing?

3 answer

What are the principles of plain bearings and plain bearings?

3 answer

How long is the shelf life of the cylinder seals?

3 answer

Disassembly and assembly step of gear pump

4 answer

How essential is an EGR Valve to the operation of a car?

5 answer